VTK  9.3.0
vtkFreeTypeLabelRenderStrategy.h
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1// SPDX-FileCopyrightText: Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
2// SPDX-License-Identifier: BSD-3-Clause
12#ifndef vtkFreeTypeLabelRenderStrategy_h
13#define vtkFreeTypeLabelRenderStrategy_h
14
16#include "vtkRenderingLabelModule.h" // For export macro
17
18VTK_ABI_NAMESPACE_BEGIN
19class vtkActor2D;
20class vtkTextRenderer;
21class vtkTextMapper;
22
23class VTKRENDERINGLABEL_EXPORT vtkFreeTypeLabelRenderStrategy : public vtkLabelRenderStrategy
24{
25public:
26 void PrintSelf(ostream& os, vtkIndent indent) override;
29
33 bool SupportsRotation() override { return false; }
34
38 bool SupportsBoundedSize() override { return false; }
39
43 void ComputeLabelBounds(vtkTextProperty* tprop, vtkStdString label, double bds[4]) override;
44
49 void RenderLabel(int x[2], vtkTextProperty* tprop, vtkStdString label) override;
50
56 void ReleaseGraphicsResources(vtkWindow* window) override;
57
58protected:
61
65
66private:
68 void operator=(const vtkFreeTypeLabelRenderStrategy&) = delete;
69};
70
71VTK_ABI_NAMESPACE_END
72#endif
a actor that draws 2D data
Definition vtkActor2D.h:35
bool SupportsBoundedSize() override
The free type render strategy currently does not support bounded size labels.
bool SupportsRotation() override
The free type render strategy currently does not support rotation.
static vtkFreeTypeLabelRenderStrategy * New()
void ReleaseGraphicsResources(vtkWindow *window) override
Release any graphics resources that are being consumed by this strategy.
~vtkFreeTypeLabelRenderStrategy() override
void RenderLabel(int x[2], vtkTextProperty *tprop, vtkStdString label) override
Render a label at a location in world coordinates.
void PrintSelf(ostream &os, vtkIndent indent) override
Methods invoked by print to print information about the object including superclasses.
void ComputeLabelBounds(vtkTextProperty *tprop, vtkStdString label, double bds[4]) override
Compute the bounds of a label.
a simple class to control print indentation
Definition vtkIndent.h:29
Superclass for label rendering implementations.
Wrapper around std::string to keep symbols short.
2D text annotation
represent text properties.
Interface for generating images and path data from string data, using multiple backends.
window superclass for vtkRenderWindow
Definition vtkWindow.h:25